Pbepabing hop liquok fob distillebs and bbewebs



UNITED STATES PATENT OFFICE. i

ARCHELAUS S. ROLLINSQOF ALBANY, NE\V YORK.

PREPARING HOP LIQUOR FOB DISTILLEBS AND BREWERS.

Specification of Letters Patent N. 23,266, dated March 15, 1859.

To all w/wgm 'it may concern:

Be it k/nown that I, ARonELAUs S. ROL- LiNs, of Albany, in the county of Albany and State of New York, have invented a new and useful Process of Boiling Hops for the Uses of Distilling and Brewing; and I herebydeclare the following to be a full and exact description of its nature and operation, reference being had to the accompanying drawings, making part of this specification.

The said process consists in boiling or steeping hops within a closed vessel and condensing the vapors evolved so as to prevent such pressure from the interior as to cause the escape of lvolatile matters.

In the accompanying drawingsz-lfigure 1 is a perspective view of an apparatus illustrating my invention. Fig. 2 is an axial section of the same. Fig. 3 is a perspective view of the inside boiling copper detached. Fig. 4 is a similar view of the strainer. Fig. 5 is an axial section of a combined safety and vacuum valve.

j is an outer shell havinga boiling copper u attached concentrically within it so as toleave a close steam space fv, beneath and around the said boller.

t 1s a strainer for separating and containing the hops when the infusion is drawn ott' as hereinafter explained.

Y pis a pipe which discharges steam into the space o beneath the boiler.v

g is a stopcock in the pipe p. o is a discharge pipe communicating with the boiler u and fitted with a stopcock o.

l is a gage cock to indicate the height of water Within the boiler. c

k, is the condenser consisting in the present illustration of a shallow pan into the center of the bottom of -which a continuons streamv of cold water is discharged from a piped, slottedv at its end.

f is a spout through which warm water Hows from the pan h. The said pan may be elevated by means of cords or, chains b, passing over sheaves 05,'-the pipe d being previously removed.

7c, is avcock through which water is supplied'to the interior of the boiler.

s is a, drip cock to allow thevescape of waterof condensation from the chamber v and pipe p. v

5 (Fig. 1-) is a combined safety and vacuum valve which is represented by a detached axial-section in Fig. -in which c is the safety valve and al the vacuum valve.

The operation is as follows z-The pan k being elevated, and other parts inthe position seen in Fig. 2, Water is4 drawn in throughfthe cock k until it rises within the boiler to the gage cock Z. The requisite quantity of ,hops is then added and stirred into the water, and the pau Il., lowered so as to close the top of the boiler. Stealn at a pressure of from one to three pounds is then admitted through the pipe p, into the space o, beneath the boiler so as to heat the. water within the boiler. A continuous stream of cold water is now let on through the pipe a', coming in contact with the bottom of the pan l1., so as to keep the latter at a low temperature. At the same time the steam from the contents of the boiler u rises into the upper space a: of the same and coming in contact with the bottom of the pan zi, is thereby condensed, the efect of which is to prevent any pressure within the boiler and consequent escape of stealn or volatile mat-,

ters from the hops. As the water within the pan h becomes heated by contact vith the bottom of thesame it rises to the top and any superfiuity escapes through the spout f. XVhen the hops are suiciently boiled or steeped the infusion is drawn o through the pipe o. The pipe d, is then removed, the pan h. elevated. the strainer t with its coutained hops taken 'out and the latter discharged.

It will be observed that no connection exists between the steam chamber o and the interior of the boiler and that the latter is entirely closed against any communicationl and uncertain both in strengthA and volume.

By my'simple apparatus I am enabled to prevent theescapeof any-`vapor whatever thus avoiding waste and producing an infusion of superior quality, the volume and strength of which are accurately determined by the quantity of' Water and hops used. The invention is also equally applicable to the boiling of hops in Worts as is custo1nary in brewing.

My invention is not confined to any particular forni of boiling apparatus and it will also be evident that the condensing departinentis susceptible of various,modifications withont- 'changing its essential charateristics :-'-for instance the vapor from Within the boiler may be passed into a Worin or a separate vessel prepared for its condensation. I do not therefore desire to' be understood as limiting myself to the precise arrangement and details here laid down but l claim as new and of my invention and desire to secure by Letters Patent-L The preparation of hop liquor for the purposesbf distillingand brewing by the processset forth.

'In testimony of which invention1 IA hereunto set my hand.

a; s.'4 noLLINs. vWitnesses Oers. KNIGHT,

EDM. F. BROWN. 

